this derivation will be built:
  /nix/store/3ycsw4sg3q084dv39f6pl1ncdn7ri3ra-nix-grpc-store-plugin-0.2.2.drv
error: Cannot build '/nix/store/3ycsw4sg3q084dv39f6pl1ncdn7ri3ra-nix-grpc-store-plugin-0.2.2.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/lbvx13py03cy2ba3xqhj94yplkyrs85q-nix-grpc-store-plugin-0.2.2
       Last 25 log lines:
       > In file included from ../src/client/nar-fetcher.hh:44:
       > ../src/pump.hh:209:25: error: using declaration in class refers into 'nix', which is not a class
       >   209 | MakeError(StreamClosed, nix::Error);
       >       |                         ^~~~~
       > /nix/store/b4aakd6xdc29045vnqy5cs12cg8n5zq0-nix-util-2.31.6-dev/include/nix/util/error.hh:218:27: note: expanded from macro 'MakeError'
       >   218 |         using superClass::superClass;   \
       >       |                           ^~~~~~~~~~
       > In file included from ../src/client/build.cc:3:
       > In file included from ../src/client/store.hh:85:
       > In file included from ../src/client/nar-fetcher.hh:44:
       > ../src/pump.hh:229:19: error: no matching conversion for functional-style cast from 'const char[46]' to 'StreamClosed'
       >   229 |             throw StreamClosed("gRPC stream closed by peer during bulk import");
       >       |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       > ../src/pump.hh:209:11: note: candidate constructor (the implicit copy constructor) not viable: no known conversion from 'const char[46]' to 'const StreamClosed' for 1st argument
       >   209 | MakeError(StreamClosed, nix::Error);
       >       |           ^~~~~~~~~~~~
       > ../src/pump.hh:209:11: note: candidate constructor (the implicit move constructor) not viable: no known conversion from 'const char[46]' to 'StreamClosed' for 1st argument
       >   209 | MakeError(StreamClosed, nix::Error);
       >       |           ^~~~~~~~~~~~
       > ../src/pump.hh:209:11: note: candidate constructor (the implicit default constructor) not viable: requires 0 arguments, but 1 was provided
       > /nix/store/b4aakd6xdc29045vnqy5cs12cg8n5zq0-nix-util-2.31.6-dev/include/nix/util/error.hh:215:11: note: expanded from macro 'MakeError'
       >   215 |     class newClass : public superClass  \
       >       |           ^
       > 3 errors generated.
       > ninja: build stopped: subcommand failed.
       For full logs, run:
         nix log /nix/store/3ycsw4sg3q084dv39f6pl1ncdn7ri3ra-nix-grpc-store-plugin-0.2.2.drv